Exterior surface of an automobile hood



FIG. 1 is a top perspective view of an exterior surface of an automobile hood according to my novel design;

FIG. 2 is a front view of an exterior surface of an automobile hood according to my novel design;

FIG. 3 is a perspective left side view, of an exterior surface of an automobile hood according to my novel design; and,

FIG. 4 is a top view of an exterior surface of an automobile hood according to my novel design.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an exterior surface of an automobile hood, as shown and described. 